Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
42658921Factored
FactorDigitsBitsDate
529666885849395994691932375.52021-06-29 13:13:48
LL
StatusDateUserResidueShift
Verified (Factored)2010-01-23-Anonymous-6082905DFC7C1B9233820468
Verified (Factored)2016-01-26basey6082905DFC7C1B925003855
History
DateUserTypeResult
2021-06-29-Anonymous-F
Factor: 52966688584939599469193 / TF: 75-76*
2021-06-17Yves de WandelaarNF
no factor from 2^74 to 2^75
2021-03-31Sid & AndyNF-PM1
B1=1500000, B2=45000000
2020-01-12-Anonymous-NF
no factor from 2^73 to 2^74
2018-09-08LaurVNF
no factor from 2^72 to 2^73
2016-01-26baseyC-LL
6082905DFC7C1B92
2015-08-31-Anonymous-NF
no factor from 2^71 to 2^72
2015-03-08Mark RoseNF
no factor from 2^70 to 2^71
2014-05-09Grant McCrackenNF
no factor from 2^69 to 2^70
2014-02-18Grant McCrackenNF
no factor from 2^68 to 2^69
2010-01-23-Anonymous-C-LL
6082905DFC7C1B92
2008-11-24-Anonymous-NF-PM1
B1=715000